Question

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Answer 1

2arcsin√3/2+arcsin(1/2)=2*π/3+π/6=5π/6

arcsin(1/√2)+4*arcsin1=π/4+π/2=3π/4

cos(arccos√2/2)=cosπ/4=√2/2

cos(6*arcsin1)=cos(6*π/2)=cos(3*π)=cos(π)=-1

tg(2a*arcsin(1/2))=tg(2*π/6)=tgπ/3=√3